src/sipe-utils.c

   1 /**
   2  * @file sipe-utils.c
   3  *
   4  * pidgin-sipe
   5  *
   6  * Copyright (C) 2009 SIPE Project <http://sipe.sourceforge.net/>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include <string.h>
  24 #include <glib.h>
  25
  26 #include "debug.h"
  27 #include "xmlnode.h"
  28
  29 #include "sipe.h"
  30 #include "sipe-utils.h"
  31
  32 /* Generate 32 random bits */
  33 #define RANDOM32BITS (rand() & 0xFFFF)
  34
  35 gchar *gencallid(void)
  36 {
  37         return g_strdup_printf("%04Xg%04Xa%04Xi%04Xm%04Xt%04Xb%04Xx%04Xx",
  38                                RANDOM32BITS, RANDOM32BITS, RANDOM32BITS,
  39                                RANDOM32BITS, RANDOM32BITS, RANDOM32BITS,
  40                                RANDOM32BITS, RANDOM32BITS);
  41 }
  42
  43 gchar *gentag()
  44 {
  45         return g_strdup_printf("%04d%04d", RANDOM32BITS, RANDOM32BITS);
  46 }
  47
  48 gchar *genconfid(void)
  49 {
  50         return g_strdup_printf("%04X%04X%04X%04X%04X%04X%04X%04X",
  51                                RANDOM32BITS, RANDOM32BITS, RANDOM32BITS,
  52                                RANDOM32BITS, RANDOM32BITS, RANDOM32BITS,
  53                                RANDOM32BITS, RANDOM32BITS);
  54 }
  55
  56 gchar *get_contact(const struct sipe_account_data  *sip)
  57 {
  58         return g_strdup(sip->contact);
  59 }
  60
  61 gchar *parse_from(const gchar *hdr)
  62 {
  63         gchar *from;
  64         const gchar *tmp, *tmp2 = hdr;
  65
  66         if (!hdr) return NULL;
  67         purple_debug_info("sipe", "parsing address out of %s\n", hdr);
  68         tmp = strchr(hdr, '<');
  69
  70         /* i hate the different SIP UA behaviours... */
  71         if (tmp) { /* sip address in <...> */
  72                 tmp2 = tmp + 1;
  73                 tmp = strchr(tmp2, '>');
  74                 if (tmp) {
  75                         from = g_strndup(tmp2, tmp - tmp2);
  76                 } else {
  77                         purple_debug_info("sipe", "found < without > in From\n");
  78                         return NULL;
  79                 }
  80         } else {
  81                 tmp = strchr(tmp2, ';');
  82                 if (tmp) {
  83                         from = g_strndup(tmp2, tmp - tmp2);
  84                 } else {
  85                         from = g_strdup(tmp2);
  86                 }
  87         }
  88         purple_debug_info("sipe", "got %s\n", from);
  89         return from;
  90 }
  91
  92 int parse_cseq(const gchar *hdr)
  93 {
  94         int res = -1;
  95         gchar **items;
  96         items = g_strsplit(hdr, " ", 1);
  97         if (items[0]) {
  98                 res = atoi(items[0]);
  99         }
 100         g_strfreev(items);
 101         return res;
 102 }
 103
 104 gchar *sip_uri_from_name(const gchar *name)
 105 {
 106         return(g_strdup_printf("sip:%s", name));
 107 }
 108
 109 gchar *sip_uri(const gchar *string)
 110 {
 111         return(strstr(string, "sip:") ? g_strdup(string) : sip_uri_from_name(string));
 112 }
 113
 114 xmlnode *xmlnode_get_descendant(const xmlnode *parent, ...)
 115 {
 116         va_list args;
 117         xmlnode *node = NULL;
 118         const gchar *name;
 119
 120         va_start(args, parent);
 121         while ((name = va_arg(args, const char *)) != NULL) {
 122                 node = xmlnode_get_child(parent, name);
 123                 if (node == NULL) return NULL;
 124                 parent = node;
 125         }
 126         va_end(args);
 127
 128         return node;
 129 }
 130
 131 /*
 132   Local Variables:
 133   mode: c
 134   c-file-style: "bsd"
 135   indent-tabs-mode: t
 136   tab-width: 8
 137   End:
 138 */